Thank you for the clarification. On Wed, Jun 1, 2022 at 1:55 AM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > > Hi-- > > On 5/31/22 05:14, Muni Sekhar wrote: > > Hi all, > > > > menuconfig SOUNDWIRE > > tristate "SoundWire support" > > depends on ACPI || OF > > > > "depends on ACPI || OF" mean, SOUNDWIRE depends on both ACPI and OF modules? > > > > "||" is logical OR, so SOUNDWIRE depends on either ACPI or OF (or both > of them can be enabled). > > > > > > config SOUNDWIRE_QCOM > > tristate "Qualcomm SoundWire Master driver" > > imply SLIMBUS > > > > What does "imply SLIMBUS" mean? > > See Documentation/kbuild/kconfig-language.rst: > > - weak reverse dependencies: "imply" <symbol> ["if" <expr>] > > This is similar to "select" as it enforces a lower limit on another > symbol except that the "implied" symbol's value may still be set to n > from a direct dependency or with a visible prompt. > > So (in your example) SLIMBUS is desired but not required. > That means that the code that is built for SOUNDWIRE_QCOM > probably needs to use IS_REACHABLE(CONFIG_SLIMBUS) to > see if that SLIMBUS code is available at build time. > > HTH. > -- > ~Randy -- Thanks, Sekhar _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies